125436673 has 2 divisors, whose sum is σ = 125436674. Its totient is φ = 125436672.

The previous prime is 125436611. The next prime is 125436677. The reversal of 125436673 is 376634521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94711824 + 30724849 = 9732^2 + 5543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125436673 is a prime.

It is not a weakly prime, because it can be changed into another prime (125436677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62718336 + 62718337.

It is an arithmetic number, because the mean of its divisors is an integer number (62718337).

Almost surely, 2^125436673 is an apocalyptic number.

It is an amenable number.

125436673 is a deficient number, since it is larger than the sum of its proper divisors (1).

125436673 is an equidigital number, since it uses as much as digits as its factorization.

125436673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 125436673 is about 11199.8514722294. The cubic root of 125436673 is about 500.5815539943.

The spelling of 125436673 in words is "one hundred twenty-five million, four hundred thirty-six thousand, six hundred seventy-three".